Made plan actual name dynamic

Plan name are now different whether a subscription was
purchased before or after EoA rollout date.

ee/app/models/ee/namespace.rb

@@ -173,7 +173,7 @@ module EE
           root_ancestor.actual_plan
         else
           subscription = find_or_create_subscription
-          subscription&.hosted_plan
+          hosted_plan_for(subscription)
         end
       end || fallback_plan
     end
@@ -442,5 +442,16 @@ module EE
           .without_unlimited_repository_size_limit
       end
     end
+
+    def hosted_plan_for(subscription)
+      return unless subscription
+
+      plan = subscription.hosted_plan
+      if plan && !subscription.legacy?
+        ::Subscriptions::NewPlanPresenter.new(plan)
+      else
+        plan
+      end
+    end
   end
 end

ee/app/models/gitlab_subscription.rb

@@ -4,6 +4,8 @@ class GitlabSubscription < ApplicationRecord
   include EachBatch
   include Gitlab::Utils::StrongMemoize
 
+  EOA_ROLLOUT_DATE = '2021-01-26'
+
   default_value_for(:start_date) { Date.today }
   before_update :log_previous_state_for_update
   after_commit :index_namespace, on: [:create, :update]
@@ -45,6 +47,10 @@ class GitlabSubscription < ApplicationRecord
     end
   end
 
+  def legacy?
+    start_date < EOA_ROLLOUT_DATE.to_date
+  end
+
   def calculate_seats_in_use
     namespace.billable_members_count
   end

ee/app/presenters/subscriptions/new_plan_presenter.rb

+# frozen_string_literal: true
+
+module Subscriptions
+  class NewPlanPresenter < Gitlab::View::Presenter::Delegated
+    NEW_PLAN_TITLES = {
+      silver: 'Premium (Formerly Silver)',
+      gold: 'Ultimate (Formerly Gold)'
+    }.freeze
+
+    def title
+      NEW_PLAN_TITLES.fetch(plan_key, super)
+    end
+
+    private
+
+    def plan_key
+      name&.to_sym
+    end
+  end
+end

ee/changelogs/unreleased/300546-dynamic-plan-renaming.yml

+---
+title: Dynamically rename plan title after EoA rollout date
+merge_request: 53473
+author:
+type: added

ee/spec/features/admin/groups/admin_changes_plan_spec.rb

@@ -28,7 +28,7 @@ RSpec.describe 'Changes GL.com plan for group' do
 
       click_button('Save changes')
 
-      expect(page).to have_content('Plan: Silver')
+      expect(page).to have_content('Plan: Premium (Formerly Silver)')
     end
   end
 
@@ -45,7 +45,7 @@ RSpec.describe 'Changes GL.com plan for group' do
 
       click_button('Save changes')
 
-      expect(page).to have_content('Plan: Silver')
+      expect(page).to have_content('Plan: Premium (Formerly Silver)')
     end
   end
 end

ee/spec/models/ee/namespace_spec.rb

@@ -702,12 +702,25 @@ RSpec.describe Namespace do
 
       context 'when namespace has a subscription associated' do
         before do
-          create(:gitlab_subscription, namespace: namespace, hosted_plan: gold_plan)
+          create(:gitlab_subscription, namespace: namespace, hosted_plan: gold_plan, start_date: start_date)
         end
 
-        it 'returns the plan from the subscription' do
-          expect(namespace.actual_plan).to eq(gold_plan)
-          expect(namespace.gitlab_subscription).to be_present
+        context 'when this subscription was purchased before EoA rollout (legacy)' do
+          let(:start_date) { GitlabSubscription::EOA_ROLLOUT_DATE.to_date - 3.days }
+
+          it 'returns the legacy plan from the subscription' do
+            expect(namespace.actual_plan).to eq(gold_plan)
+            expect(namespace.gitlab_subscription).to be_present
+          end
+        end
+
+        context 'when this subscription was purchase after EoA rollout (new plan)' do
+          let(:start_date) { GitlabSubscription::EOA_ROLLOUT_DATE.to_date + 3.days }
+
+          it 'returns the new plan from the subscription' do
+            expect(namespace.actual_plan).to be_an_instance_of(Subscriptions::NewPlanPresenter)
+            expect(namespace.gitlab_subscription).to be_present
+          end
         end
       end
 

ee/spec/models/gitlab_subscription_spec.rb

@@ -605,4 +605,29 @@ RSpec.describe GitlabSubscription do
       end
     end
   end
+
+  describe '#legacy?' do
+    let_it_be(:eoa_rollout_date) { GitlabSubscription::EOA_ROLLOUT_DATE.to_date }
+    let!(:gitlab_subscription) { create(:gitlab_subscription, start_date: start_date) }
+
+    subject { gitlab_subscription.legacy? }
+
+    context 'when a subscription was purchased before the EoA rollout date' do
+      let(:start_date) { eoa_rollout_date - 1.day }
+
+      it { is_expected.to be_truthy }
+    end
+
+    context 'when a subscription was purchased on the EoA rollout date' do
+      let(:start_date) { eoa_rollout_date }
+
+      it { is_expected.to be_falsey }
+    end
+
+    context 'when a subscription was purchased after the EoA rollout date' do
+      let(:start_date) { eoa_rollout_date + 1.day}
+
+      it { is_expected.to be_falsey }
+    end
+  end
 end

ee/spec/presenters/subscriptions/new_plan_presenter_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Subscriptions::NewPlanPresenter do
+  describe '#title' do
+    using RSpec::Parameterized::TableSyntax
+
+    where(:legacy_name, :new_title) do
+      'bronze' | 'Bronze'
+      'silver' | 'Premium (Formerly Silver)'
+      'gold'   | 'Ultimate (Formerly Gold)'
+    end
+
+    with_them do
+      it 'returns the correct title for new plans' do
+        legacy_plan = build("#{legacy_name}_plan".to_sym)
+
+        expect(described_class.new(legacy_plan).title).to eq(new_title)
+      end
+    end
+  end
+end